20731064816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{1447}}^1$

素因数の和:1903

約数の個数: 160

約数和(自身を含む): 51969530880

約数和(自身を除く): 31238466064

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 401, 406, 464, 616, 638, 802, 812, 1232, 1276, 1447, 1604, 1624, 2233, 2552, 2807, 2894, 3208, 3248, 4411, 4466, 5104, 5614, 5788, 6416, 8822, 8932, 10129, 11228, 11576, 11629, 15917, 17644, 17864, 20258, 22456, 23152, 23258, 30877, 31834, 35288, 35728, 40516, 41963, 44912, 46516, 61754, 63668, 70576, 81032, 81403, 83926, 93032, 111419, 123508, 127336, 127919, 162064, 162806, 167852, 186064, 222838, 247016, 254672, 255838, 293741, 325612, 335704, 445676, 461593, 494032, 511676, 580247, 587482, 651224, 671408, 891352, 895433, 923186, 1023352, 1160494, 1174964, 1302448, 1782704, 1790866, 1846372, 2046704, 2320988, 2349928, 3231151, 3581732, 3692744, 4061729, 4641976, 4699856, 6382717, 6462302, 7163464, 7385488, 8123458, 9283952, 12765434, 12924604, 14326928, 16246916, 16827163, 25530868, 25849208, 32493832, 33654326, 44679019, 51061736, 51698416, 64987664, 67308652, 89358038, 102123472, 117790141, 134617304, 178716076, 185098793, 235580282, 269234608, 357432152, 370197586, 471160564, 714864304, 740395172, 942321128, 1295691551, 1480790344, 1884642256, 2591383102, 2961580688, 5182766204, 10365532408, 20731064816]

約数ペア:

[(1, 20731064816), (2, 10365532408), (4, 5182766204), (7, 2961580688), (8, 2591383102), (11, 1884642256), (14, 1480790344), (16, 1295691551), (22, 942321128), (28, 740395172), (29, 714864304), (44, 471160564), (56, 370197586), (58, 357432152), (77, 269234608), (88, 235580282), (112, 185098793), (116, 178716076), (154, 134617304), (176, 117790141), (203, 102123472), (232, 89358038), (308, 67308652), (319, 64987664), (401, 51698416), (406, 51061736), (464, 44679019), (616, 33654326), (638, 32493832), (802, 25849208), (812, 25530868), (1232, 16827163), (1276, 16246916), (1447, 14326928), (1604, 12924604), (1624, 12765434), (2233, 9283952), (2552, 8123458), (2807, 7385488), (2894, 7163464), (3208, 6462302), (3248, 6382717), (4411, 4699856), (4466, 4641976), (5104, 4061729), (5614, 3692744), (5788, 3581732), (6416, 3231151), (8822, 2349928), (8932, 2320988), (10129, 2046704), (11228, 1846372), (11576, 1790866), (11629, 1782704), (15917, 1302448), (17644, 1174964), (17864, 1160494), (20258, 1023352), (22456, 923186), (23152, 895433), (23258, 891352), (30877, 671408), (31834, 651224), (35288, 587482), (35728, 580247), (40516, 511676), (41963, 494032), (44912, 461593), (46516, 445676), (61754, 335704), (63668, 325612), (70576, 293741), (81032, 255838), (81403, 254672), (83926, 247016), (93032, 222838), (111419, 186064), (123508, 167852), (127336, 162806), (127919, 162064)]